*{
    padding:0;
    margin:0;
}
header{
    background-color: rgba(35,28,26,0.7);
    height: 80px;
    width: 100%;
    position: fixed;
}
h1{
    color: white;
    position: absolute;
    left: 120px;
    top: 0;
    line-height: 80px;
}
header a{
    color: white;
    text-decoration: none;
}
header a:hover{
    text-decoration:underline;
    color: #4b655e;
}
header li{
    display: inline;
    margin-right:4vw;
}
header ul{
    position: absolute;
    right: 5vw;
    top:0;
    line-height: 80px;
}
section{
    border:#4f4b4b 1px solid;
    height:500px;
}
.qita{
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #b7b7b7;
    height: 200px;
    flex-direction: column;
}
.qita p{
    text-align: left;
    margin-top: 10px;
   line-height: 2em;

}
.kaitou{
    background-color: black;
    height: 80px;
}
.shou{
    background-color: #b7b7b7;
    font-size: 40px;
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: black;
    border:1px solid #ACACAC;
    padding:10px 20px;
    border-radius: 10px;
}
.first{
    background-color: antiquewhite;
    color: black;
    height:95vh;
    background-image: url("images/first背景图.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}   
.first p{
    margin:25px 50px;
}
.second{
    background-color: #485652;
    color: white;
    height:250px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    line-height: 1.8em;
    text-shadow: 5px 5px 5px black;
}
.third{
    background-color: #b7b7b7;
    font-size: 40px;
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: black;
    border:1px solid #ACACAC;
    padding:10px 20px;
    border-radius: 10px;
}
.fourth{
    background-color:#ede9db;
    font-size: 40px;
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: black;
    border:1px solid #ACACAC;
    padding:10px 20px;
    border-radius: 10px;
}
footer{
    background-color: #000000;
    color: #b7b7b7;
    height:60px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 14px;
}
.tu{
    display: flex;
}
.tu img{
    width: 50%;
}
.anquan{
    width: 50%;
    background-color: rgb(201, 217, 226);
    display: flex;
    flex-direction:column;
    align-items:center;
    justify-content: center;
}
.anquan h2{
    font-size:30px;
    margin-bottom:30px;
}
.anquan p{
    text-align:left;
    margin-left: 30px;
    margin-right: 30px;
    line-height:2em;
}
.biaozhu{
    font-style: italic;
    font-size: 10px;
    text-align: center;
    color: #4b655e;
    
}
.tu ul{
    padding: 30px;
    margin-left: 20px;
}
.first h2{
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    font-size: 40px;
    color: black;
    border:1px solid #ACACAC;
    padding:10px 20px;
    border-radius: 10px;
}
.biaoshi{
    display:flex;
    background-color: white;
    justify-content: space-between;
    align-items: center;
    height: 400px;
}
.biaoshi div{
    width: 200px;
}
.biaoshi img{
    width: 100%;
    border-radius: 10px;
}
